Curated OER
# 21 Measuring Nitrate by Cadmium Reduction
Students design an experiment to evaluate the effects of various treatments on the nitrogen cycle in a freshwater aquarium. They are required to maintain a laboratory notebook of all work, measure the key analytes of the biosystem at...
Curated OER
Fishy Frequencies
Tenth graders demonstrate that natural selection is an agent of evolution. They quantitatively apply the Hardy-Weinberg Principle to an imaginary population of fish. They utilize math and graphing skills, collecting and analyzing data,...
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Mapping Animal Behavior
Students discuss the value of sampling in science. They, in groups, map cricket movement in response to various stimuli and graph their results.
Curated OER
Population Density
Young scholars use the scientific method to conduct an experiment and use varied methods to gather background information. They correctly use lab equipment and prepare tables and graphs that organize, conclude, and present their...
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Investigating Properties of Water: Temperature
Investigate how temperature affects the density of water and stratification that occurs in bodies of water when temperatures vary. Water of differing temperatures is given different colors to see the layers that form. The lesson is meant...
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Classification Introduction
Students simulate classifying rocks using different colored skittles. In this earth science activity, students create a Venn diagram according to their compiled information. They share this diagram in the class.
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Fish Workings
Learners observe, hypothesize, and draw conclusions regarding fish. They examine their anatomy, and how they function in their environment.
Curated OER
Research Project
Students poll the class regarding their favorite pet and then research that pet using Internet research. They create reports including pictures made on KidPix.